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TRS3232ECDWR

Texas Instruments · RS232 ICs · SOIC-16-300mil

TRS3232ECDWR from Texas Instruments, in a SOIC-16-300mil. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 C1+ passive Positive lead of the C1 charge-pump capacitor.
2 V+ power_out Positive charge pump output for storage capacitor only.
3 C1- passive Negative lead of the C1 charge-pump capacitor.
4 C2+ passive Positive lead of the C2 charge-pump capacitor.
5 C2- passive Negative lead of the C2 charge-pump capacitor.
6 V- power_out Negative charge pump output for storage capacitor only.
7 DOUT2 output RS232 line data output (to remote RS232 system), driver 2.
8 RIN2 input RS232 line data input (from remote RS232 system), receiver 2, with ±25 V input range.
9 ROUT2 output Logic data output (to UART), receiver 2.
10 DIN2 input Logic data input (from UART), driver 2; must be a valid logic high or low.
11 DIN1 input Logic data input (from UART), driver 1; must be a valid logic high or low.
12 ROUT1 output Logic data output (to UART), receiver 1.
13 RIN1 input RS232 line data input (from remote RS232 system), receiver 1, with ±25 V input range.
14 DOUT1 output RS232 line data output (to remote RS232 system), driver 1.
15 GND power_in Ground.
16 VCC power_in Supply voltage, connect to external 3-V to 5.5-V power supply.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-16-300mil
Category Interface
Pins 16

CAD (KiCad official)

  • Symbol: TRS3232ECDWR
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16-300mil (KiCad packages3D, STEP)
  • 3D model files: trs3232ecdwr-etched.step / trs3232ecdwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); trs3232ecdwr.step / trs3232ecdwr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (40 pp, sha256 06934d6210268388, retrieved 2026-10-08, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF